Face mask for a helmet



FIG. 1 is a front perspective view of a face mask for a helmet showing my design.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a left side perspective view thereof. The right side perspective view is a mirror image of this view and, therefore, has been omitted.

FIG. 4 is a top perspective view thereof; and,

FIG. 5 is a bottom perspective view thereof. 

The ornamental design for a face mask for a helmet, as shown. 